/* RESET */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* BASE */
body {
    font-family: Arial, Helvetica, sans-serif;
    background: linear-gradient(135deg, #0a0a0a, #1a1a1a);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    padding: 20px;
}

/* CONTAINER */
.container {
    background-color: #111;
    padding: 30px 20px;
    border-radius: 18px;
    box-shadow: 0 0 25px rgba(0, 140, 255, 0.35);
    max-width: 420px;
    width: 100%;
    text-align: center;
}

/* LOGO */
.logo {
    width: 100%;
    max-width: 220px;
    height: auto;
    margin-bottom: 20px;
}

/* TEXTOS */
h1 {
    font-size: 1.8rem;
    margin-bottom: 10px;
}

p {
    font-size: 1rem;
    color: #cccccc;
    margin-bottom: 25px;
    line-height: 1.5;
}

/* BOTÃO WHATSAPP */
.btn-whatsapp {
    display: inline-block;
    width: 100%;
    background-color: #25D366;
    color: #ffffff;
    text-decoration: none;
    padding: 16px;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: bold;
    transition: transform 0.2s ease, background-color 0.2s ease;
}

.btn-whatsapp:hover {
    background-color: #1ebe5d;
    transform: scale(1.04);
}

/* TELAS MAIORES */
@media (min-width: 768px) {
    .container {
        padding: 40px;
    }

    h1 {
        font-size: 2rem;
    }

    .btn-whatsapp {
        width: auto;
        padding: 16px 30px;
    }
}